Consolidated Statements of Stockholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings
Beginning Balance (in shares) at Dec. 31, 2019		9,950
Beginning Balance at Dec. 31, 2019	$ 62,060	$ 104	$ (1,837)	$ 33,559	$ (986)	$ 31,220
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	21,331					21,331
Other comprehensive income (loss)	806				806
Stock-based compensation and issuance of employee benefit plan stock (in shares)		116
Stock-based compensation and issuance of employee benefit plan stock	9,207	$ 1		9,206
Ending Balance (in shares) at Dec. 31, 2020		10,066
Ending Balance at Dec. 31, 2020	93,404	$ 105	(1,837)	42,765	(180)	52,551
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	33,364					33,364
Other comprehensive income (loss)	(1,196)				(1,196)
Stock-based compensation and issuance of employee benefit plan stock (in shares)		109
Stock-based compensation and issuance of employee benefit plan stock	$ 12,673	$ 1		12,672
Ending Balance (in shares) at Dec. 31, 2021	10,175	10,175
Ending Balance at Dec. 31, 2021	$ 138,245	$ 106	(1,837)	55,437	(1,376)	85,915
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	(2,722)					(2,722)
Other comprehensive income (loss)	(3,111)				(3,111)
Stock-based compensation and issuance of employee benefit plan stock (in shares)		113
Stock-based compensation and issuance of employee benefit plan stock	19,631	$ 2		19,629
Common stock repurchased (in shares)		(46)
Common stock repurchased	$ (6,000)		(6,000)
Ending Balance (in shares) at Dec. 31, 2022	10,242	10,242
Ending Balance at Dec. 31, 2022	$ 146,043	$ 108	$ (7,837)	$ 75,066	$ (4,487)	$ 83,193